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risk classes of the superclass S3 - Employees

SR 3.1 Workforce availability:

Workforce availability is defined as the availability of enough personnel to carry out all the activities of an infrastructure company.

SR 3.1.1 Strikes and slowdowns:

Labour strikes, simply called strikes, are the mass refusal of employees to work, usually in response to employee grievances, and they can disrupt the daily operations of a company. A slowdown is an industrial action in which employees perform their duties but seek to reduce productivity or efficiency in their performance of these duties. Strikes and slowdowns can pose an operation and revenue risk to assets. In Paris, for example, recent strikes by airport staff led to the cancellation of one in five flights (Laurent, 2022), and a strike by train drivers led to the cancellation of one in four trains (Turnbull, 2022) due to the unavailability of workers as they protested a pay increase.

SR 3.1.2 Skill drought:

The unavailability of trained, educated, or experienced segments of the workforce that are suitable and competent to carry out the tasks and activities of the infrastructure company. The risks of a skill drought are operational delays disruption and revenue loss for infrastructure assets. For instance, airports are facing a shortage of baggage handlers post-pandemic in the US, UK, and the EU (Georgiadis, 2022) which is leading to long waits for baggage at carousels, ultimately threatening the social acceptability of the airport.


Georgiadis, P. (2022). Airports race to fill thousands of jobs cut during pandemic. Financial Times. 7 June 2022, Accessed on 12 July 2022.

Laurent, D. (2022). Paris airport strike triggers flight cancellations for third day. France 24, Accessed on 12 July 2022.

Turnbull, A. (2022). France’s train traffic disrupted amid strike for higher pay. AP news, Accessed on 12 July 2022.

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